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John asked in Science & MathematicsPhysics · 9 years ago

I need physics help please!?

Tarzan swings on a 25.0 m long vine initially inclined at an angle of 26° from the vertical.

(a) What is his speed at the bottom of the swing if he starts from rest?

_____m/s

(b) What is his speed at the bottom of the swing if he starts with an initial speed of 2.94 m/s?

______m/s

2 Answers

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  • Steve
    Lv 7
    9 years ago
    Favorite Answer

    a) V = √[2*g*25*(1-cos26°)]

    b) V = √[2.94² + 2*g*25(1-cos26°)]

    Source(s): Conservation of energy
  • 9 years ago

    no one wants to answer a math question bro

    Source(s): :(
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